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Trapa kvacekii
Trapa kvacekii Wójcicki, E. Velitzelos Acta Palaeobot., 47(2): 422. 20 Dec 2007
- Name
- Trapa kvacekii
- Rank
- Species
- Generic Name
- [Genus] Trapa
- Authors (Pub.)
- Wójcicki J. J.
Velitzelos E.
- Publication
- Trapa kvacekii (Trapaceae), a remarkable new fossil species from the late Miocene of Greece [2007/12]
- Journal
- Acta Palaeobotanica
- Volume
- 47
- Issue
- 2
- Page number
- 422
- Year
- 2007
- Parent Taxon
- [Genus] Trapa
- Fossil Status
- fruits
- Stratigraphy
- Langhian
- Location
- valley between Likudi and Kleisura, ca. 10 km NW of Elassona, Thessalia, Greece
- Paleoregion
- Eurasia (Europe)
Data for Holotypus
- Repository Number
- DHGPA L/Tr/1
- Diagnosis
- Large fruits, oblong-triangular in outline, with two pairs of solid horns; fruit 31–41 mm high (including neck), width of fruit at upper horns 40–55 mm; fruit about 1.3 times as wide as high; fruit head pronounced, 8–10 mm long, its upper end situated below the line joining the bases of the upper horns, bearing a welldeveloped neck usually somewhat narrowing towards the apex; neck 3–4 mm long and 3.5–5.0 mm broad, slightly protruding beyond the line joining the bases of the upper horns, corona lacking; apical aperture with a ring of upward-pointing hairs; surface of fruit head and neck fi nely ribbed; upper horns triangular in outline, (14) 16–22 mm long, at least slightly raised at the base, gradually attenuating into straight, elongate, thin, spine-like tips, ascending (50°–65°), with a smooth surface except for poorly marked, at least 6 mm long, retrorsely barbed spines (harpoons); presence of mat areas excluded; lower horns narrowly triangular in outline, up to 14 mm long, and about 8 mm wide at the base, at least slightly retrorse, straight or with gently upward-pointing apical part, inserted usually 3/5 to 3/4 the distance from the base of the fruit; the frame of the fruit well developed; on the fruit frame between the bases of the upper and lower horns, solid, probably conical (truncate?) tubercles developed, traces of their bases up to 4 mm in diameter; lower part of the fruit body obtriangular in outline, truncate at the base, its surface (on one side only) covered with fi ve protruding longitudinal ribs; fruit base with a smooth ring, up to 3 mm high; basal scar probably up to 3 mm in diameter.
